Auxiliary device facilitating epidural puncture

Abstract

The invention aims to provide an auxiliary device convenient for epidural puncture, and relates to the technical field of medical instruments, a pushing assembly comprises a U-shaped rod, a moving plate and a pressing frame, the moving plate is slidably mounted on the U-shaped rod, two sides of the pressing frame are slidably sleeved with pushing rods, and a plurality of fixing belts are detachably mounted on the U-shaped rod; the U-shaped rod can be fixed on the skin through the fixing belt; by rotating the movable screw rod, the movable plate can be driven to adjust the position of the pushing rod to two sides of a puncture point; the pressing frame can be driven to move by rotating the downward-pressing screw rod, so that the pushing rods move downwards to press the two sides of a puncture point, the distance between the two pushing rods can be adjusted by rotating the pushing screw rod, the two pushing rods can be driven to slide back to back to push away the skin around the pressed puncture point, and therefore the distance from the skin surface to the spinal canal is reduced, and the puncture effect is improved. And the two hands can be liberated through the pushing assembly, and the puncture needle can be conveniently controlled to puncture.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an auxiliary device facilitating epidural puncture. BACKGROUND

[0002] With the continuous improvement of people's living standards, the number of obese patients is increasing, and the number of patients with BMI index greater than 35 in obstetric anesthesia is increasing. The existing epidural puncture needle has certain limitations in terms of length and shape.

[0003] Due to the excessive thickness of the fat layer of the puerpera, the existing puncture needle is difficult to enter the epidural space even if it enters the skin, resulting in puncture failure; therefore, in the presence of an anesthesia assistant, most of the time, the assistant needs to use a lot of force to push the fat layer so that the puncture needle can penetrate deeper, because the fat layer is too thick, the puncture needle is easily ejected from the skin after the pushing force is released, so repeated puncture reduces patient satisfaction and greatly increases the puncture failure rate; in most cases, without the support of ultrasound, most of the time, only one person does anesthesia without an assistant, at this time, without a suitable pushing force, puncture failure can also occur, and it is not convenient to operate when one person pushes and controls the puncture needle to puncture, and it is also easy to cause puncture failure due to insufficient pushing force. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides the following technical solutions: An auxiliary device facilitating epidural puncture, comprising a pushing assembly, the pushing assembly comprising a U-shaped rod, a moving plate, and a pressing frame, the moving plate being slidably installed on the U-shaped rod, the pressing frame being slidably and detachably installed above the moving plate, and a pushing rod being slidably sleeved on both sides of the pressing frame; a plurality of fixing belts are detachably installed on the U-shaped rod.

[0005] Further, the U-shaped rod comprises an installation plate and two support rods, the two support rods being fixedly connected through the installation plate to form a U-shaped structure; the moving plate slides along the support rods, and a moving screw is arranged on the installation plate and threadedly connected with the moving plate to control the sliding of the moving plate by rotating the moving screw.

[0006] Further, an insertion slot is formed in the front and rear ends of the support rod, and one end of the fixing belt is fixedly provided with an insertion rod, the fixing belt being installed on the support rod by cooperation of the insertion rod and the insertion slot.

[0007] Further, a downward pressing screw is rotatably arranged above the moving plate, and the rear end of the pressing frame is threadedly sleeved on the downward pressing screw to control the sliding of the pressing frame by rotating the downward pressing screw.

[0008] Further, the front end of the pressing frame is rotationally provided with a push-away screw rod, and a sliding block is threadedly arranged on the push-away screw rod; the rear end of the push rod is fixedly provided with a sliding sleeve, and the sliding sleeve is slidingly sleeved on the two sides of the front end of the pressing frame; the two sides of the sliding block are rotationally provided with connecting rods, one end of the connecting rod is rotationally connected with the sliding sleeve, the sliding block is driven to move downward by rotating the push-away screw rod, and the connecting rods drive the two push rods to synchronously slide away from each other.

[0009] Further, the epidural puncture needle device further comprises a fixing assembly, the fixing assembly comprising a U-shaped fixing frame, a fixing plate and a fixing bolt, the fixing plate being located in the U-shaped fixing frame, and the fixing bolt being threadedly connected with the fixing plate.

[0010] Further, a support column is slidingly arranged on the U-shaped fixing frame, and an adjusting rod is fixedly arranged at the upper end of the support column.

[0011] Further, a sliding groove is formed in the U-shaped fixing frame, and the lower end of the support column slides along the sliding groove; a connecting barrel is fixedly arranged on the mounting plate, one end of the adjusting column is inserted into the connecting barrel, and a bolt is arranged on the connecting barrel to restrict the adjusting column in the connecting barrel by tightening the bolt.

[0012] Compared with the prior art, the technical scheme of the present application has the following beneficial effects: The pushing and extruding assembly comprises a U-shaped rod, a moving plate and a pressing frame, the moving plate is slidingly installed on the U-shaped rod, the two sides of the pressing frame are slidingly sleeved with push rods, and a plurality of fixing belts are detachably installed on the U-shaped rod; the U-shaped rod can be fixed on the skin through the fixing belts; the position of the push rod can be adjusted to the two sides of the puncture point by rotating the moving screw rod; the pressing frame can be moved to make the push rod move downward to press the two sides of the puncture point by rotating the downward pressing screw rod; and the distance between the skin surface and the spinal canal can be reduced by adjusting the distance between the two push rods and driving the two push rods to slide away from each other, so that the puncture needle can reach the puncture site, and the hands can be freed to facilitate the control of the puncture needle.

[0013] The fixing assembly can be clamped and fixed on the bedside by tightening the fixing bolt and cooperating the fixing plate with the U-shaped fixing frame, the horizontal and vertical positions of the pushing and extruding assembly can be adjusted to the puncture point by sliding and extending the support column, and the pushing and extruding assembly can be tightly attached to the skin by extending the adjusting rod, so that the fixing of the pushing and extruding assembly is realized without the need for hand holding. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The figure is a structural diagram of the fixing assembly and the pushing and extruding assembly of the present application. Figure 2 The figure is a structural diagram of the pushing and extruding assembly of the present application. Figure 3 The schematic diagram of the U-shaped rod structure of the present application; Figure 4 The schematic diagram of the moving plate and the pressing frame installation of the present application; Figure 5 The schematic diagram of the pushing rod structure of the present application.

[0015] In the figure: U-shaped fixed frame-1, sliding groove-11, fixed plate-2, fixed bolt-3, support column-4, adjusting rod-5, pushing assembly-6, fixed belt-61, support rod-62, insertion slot-621, mounting plate-63, connecting cylinder-631, moving screw-64, moving plate-65, pressing frame-66, pushing rod-67, sliding sleeve-671, downward pressing screw-68, pushing away screw-69, sliding block-610, connecting rod-611. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0017] Embodiment 1: In this embodiment, as people's living standards continue to improve, the number of obese patients is increasing, and the number of patients with BMI index greater than 35 in obstetric anesthesia is increasing. The existing epidural puncture needle has certain limitations in terms of length and shape.

[0018] Because the fat layer of the parturient woman is too thick, sometimes the existing puncture needle cannot enter the epidural space even if it enters the skin completely, resulting in puncture failure; therefore, in the presence of an anesthesia assistant, most of the time, the assistant needs to use a lot of force to push the fat layer so that the puncture needle can penetrate deeper, because the fat layer is too thick, the puncture needle is easily ejected from the skin after the pushing force is released, so repeated puncture reduces patient satisfaction and greatly increases the puncture failure rate; in most cases, without the support of ultrasound, anesthesia is mostly performed by one person alone without an assistant, at this time, without a suitable pushing force, puncture failure can also occur, and it is not convenient to operate while pushing and controlling the puncture needle to puncture, and it is also easy to cause puncture failure due to insufficient pushing force.

[0019] Therefore, the applicant wants to add a fixer that can move and fix the skin at will to the existing epidural puncture needle tail wing part, so that the fat layer can be pushed and fixed to some extent, so that the anesthesiologist can better focus on the puncture itself; therefore, the following design is made: Please refer toFigures 1-5 An auxiliary device for facilitating epidural puncture includes a pushing assembly 6, which includes a U-shaped rod, a movable plate 65, and a pressure frame 66. The movable plate 65 is slidably mounted on the U-shaped rod, and the pressure frame 66 is slidably and detachably mounted above the movable plate 65. Pushing rods 67 are slidably sleeved on both sides of the pressure frame 66. Several fixing straps 61 are detachably mounted on the U-shaped rod.

[0020] In this embodiment, to facilitate the movement of the push rod 67, the push rod 67 is adjusted to both sides of the skin puncture site, and the following design is adopted: The U-shaped rod includes a mounting plate 63 and two support rods 62. The two support rods 62 are fixedly connected by the mounting plate 63 to form a U-shaped structure; the movable plate 65 slides along the support rods 62, and a movable screw 64 is provided on the mounting plate 63. The movable screw 64 is threaded through the mounting plate 63 and rotatably connected to the movable plate 65. By rotating the movable screw 64, the sliding of the movable plate 65 is controlled, which drives the pressure frame 66 to move, and adjusts the position of the push rod 67 to both sides of the puncture point.

[0021] In this embodiment, in order to facilitate the disassembly and installation of the fixing strap 61 and for cleaning, the following design is made: slots 621 are provided on both the front and rear ends of the support rod 62, and a plug is fixedly provided on one end of the fixing strap 61. The fixing strap 61 is installed on the support rod 62 by the cooperation of the plug and the slot 621.

[0022] In this embodiment, to facilitate the adjustment of the pressure of the push rod 67 on the skin and to fix the skin after pushing, the following design is made: a downward screw 68 is rotatably provided above the moving plate 65, and the rear end of the pressure frame 66 is threaded onto the downward screw 68. By rotating the downward screw 68, the sliding of the pressure frame 66 is controlled, thereby driving the push rod 67 to move down and press on both sides of the puncture point, squeezing the fat, reducing the distance from the skin surface to the spinal canal, so that the puncture needle can reach the puncture site.

[0023] In this embodiment, to simulate the clinical procedure of pressing and pushing the fat layer skin outward with the thumb and forefinger, and also to adjust the distance between the two push rods 67, the following design is implemented: a push-opening screw 69 is rotatably mounted on the front end of the pressure frame 66, and a slider 610 is threaded onto the push-opening screw 69; a sliding sleeve 671 is fixedly mounted on the rear end of the push rod 67, and the sliding sleeve 671 is slidably fitted onto both sides of the front end of the pressure frame 66; a connecting rod 611 is rotatably mounted on both sides of the slider 610, and one end of the connecting rod 611 is rotatably connected to the sliding sleeve 671. By rotating the push-opening screw 69, the slider 610 is moved downward, which drives the connecting rod 611 to drive the push rods 67 on both sides to slide synchronously in opposite directions, adjusting the distance between the two push rods 67, and also driving the two push rods 67 to slide in opposite directions to push away the skin around the compressed puncture point.

[0024] In this embodiment, the U-shaped rod can be fixed on the skin by the fixing belt 61; the position of the pushing rod 67 can be adjusted to the sides of the puncture point by rotating the moving screw 64 to drive the moving plate 65; the pushing rod 67 can be moved downward to press the sides of the puncture point by rotating the lower pressing screw 68 to drive the pressing frame 66 to move; and the distance between the two pushing rods 67 can be adjusted by rotating the pushing screw, and the two pushing rods 67 can be driven to slide away from each other to push the skin around the puncture point, thereby reducing the distance from the skin surface to the spinal canal, so that the puncture needle can reach the puncture site, and the pushing assembly 6 can free both hands for easy control of the puncture needle.

[0025] Embodiment 2: According to the method of fixing the pushing assembly 6 on the body by the fixing belt 61 provided in embodiment 1, another method of fixing the pushing assembly 6 is provided in this embodiment.

[0026] Therefore, the application adds a fixer that can move and fix the skin at will to the part of the tail wing of the existing epidural puncture needle, so that the fat layer can be pushed and fixed to some extent, and the anesthesiologist can pay more attention to the puncture itself; therefore, the following design is made: Please refer to Figures 1-5 , a device for facilitating epidural puncture, further comprising a fixing assembly, the fixing assembly comprising a U-shaped fixing frame 1, a fixing plate 2, and a fixing screw 3, the fixing plate 2 being located in the U-shaped fixing frame 1, and the fixing screw 3 being threadedly connected with the fixing plate 2 movably through the U-shaped fixing frame 1; a support column 4 being slidably arranged on the U-shaped fixing frame 1, and an adjusting rod 5 being fixedly arranged at the upper end of the support column 4; the support column 4 and the adjusting rod 5 both being of telescopic structure; a sliding groove 11 being formed in the U-shaped fixing frame 1, and the lower end of the support column 4 sliding along the sliding groove 11; a connecting cylinder 631 being fixedly arranged on the mounting plate 63, and one end of the adjusting column being inserted into the connecting cylinder 631, and a screw being arranged on the connecting cylinder 631 to restrict the adjusting column in the connecting cylinder 631 by tightening the screw.

[0027] In this embodiment, by tightening the fixing screw 3, the fixing plate 2 can be clamped and fixed on the bedside together with the U-shaped fixing frame 1, and the horizontal and vertical positions of the pushing assembly 6 can be adjusted to the puncture point by sliding and telescoping the support column 4, and the pushing assembly 6 can be tightly attached to the skin by telescoping the adjusting rod 5, so as to realize the fixation of the pushing assembly 6 without the need for hand holding.

[0028] The preferred embodiments of the application disclosed above are only to facilitate the elucidation of the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments described. Obviously, many modifications and variations can be made in light of the teachings above. The description is chosen and described in order to best explain the principles of the application and its practical application to thereby enable others skilled in the art to best utilize the application and get the best results from the application. The application is only limited by the claims and their full scope and equivalents.

Claims

1. An auxiliary device for facilitating epidural puncture, characterized by, Including push and shove assembly, push and shove assembly includes U-shaped rod, moving plate, pressing frame, moving plate is slidingly installed on U-shaped rod, pressing frame is slidingly and detachably installed above moving plate, and push and shove rods are slidingly sleeved on both sides of pressing frame, a plurality of fixing belts are detachably installed on the U-shaped rod.

2. The device as claimed in claim 1, wherein, The U-shaped rod comprises a mounting plate and two support rods, and the two support rods are fixedly connected by the mounting plate to form a U-shaped structure; the moving plate slides along the support rods, and a moving screw is arranged on the mounting plate and threadedly connected with the moving plate, and the sliding of the moving plate is controlled by rotating the moving screw.

3. The device of claim 2, wherein the device is configured to be positioned on the patient's back such that the device is positioned between the patient's back and the patient's bed. The front and rear ends of the support rod are provided with insertion grooves, and one end of the fixing belt is fixedly provided with an insertion rod, and the fixing belt is installed on the support rod by cooperation of the insertion rod and the insertion groove.

4. The device of claim 1, wherein, A downward screw is rotatably arranged above the moving plate, and the rear end of the pressing frame is threadedly sleeved on the downward screw, and the sliding of the pressing frame is controlled by rotating the downward screw.

5. The device of claim 1, wherein the device is configured to be attached to the patient's skin at a location proximate to the epidural puncture site. A push-away screw is rotatably arranged on the front end of the pressing frame, and a sliding block is threadedly sleeved on the push-away screw; a sliding sleeve is fixedly arranged on the rear end of the push and shove rod, and the sliding sleeve is slidingly sleeved on both sides of the front end of the pressing frame; connecting rods are rotatably arranged on both sides of the sliding block, one end of the connecting rod is rotatably connected with the sliding sleeve, the sliding block is driven downward by rotating the push-away screw, and the connecting rods drive the push and shove rods on both sides to synchronously slide backward.

6. The device of claim 2, wherein, The epidural puncture needle insertion device further comprises a fixing assembly, and the fixing assembly comprises a U-shaped fixing frame, a fixing plate and a fixing bolt, the fixing plate is located in the U-shaped fixing frame, and the fixing bolt is movably connected with the fixing plate in a threaded manner.

7. The device of claim 6, wherein the device is configured to be positioned on the patient's back such that the device is positioned between the patient's back and the bed. A support column is slidingly arranged on the U-shaped fixing frame, and an adjusting rod is fixedly arranged on the upper end of the support column; the support column and the adjusting rod are of telescopic structure.

8. The device of claim 6, wherein the device is configured to be positioned on the patient's back such that the device is positioned between the patient's back and the bed. A sliding groove is formed in the U-shaped fixing frame, and the lower end of the support column slides along the sliding groove; a connecting barrel is fixedly arranged on the mounting plate, one end of the adjusting column is inserted into the connecting barrel, and a bolt is arranged on the connecting barrel, and the adjusting column is limited in the connecting barrel by tightening the bolt.

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