CN217772472U - Abdominal cavity puncture auxiliary device - Google Patents

Abstract

The utility model provides an abdominal cavity puncture auxiliary device, which relates to the technical field of abdominal cavity puncture instruments and solves the technical problem that the prior puncture equipment is inconvenient to use; the device comprises a base body, a mounting seat and a sliding seat; wherein, the basal body is used for being fixedly arranged at one side of a patient; the mounting seat comprises a seat body and a connecting part, the connecting part is fixedly arranged on the seat body, and the connecting part is rotatably arranged on the base body; the sliding seat is slidably arranged on the seat body, the sliding seat is provided with a puncture needle fixing part, and when the puncture needle is fixedly arranged on the puncture needle fixing part, the puncture needle can be penetrated into the abdominal cavity of a patient along with the sliding of the sliding seat. The utility model discloses an abdominocentesis auxiliary device is comparatively convenient to use.

Description

Abdominal cavity puncture auxiliary device

Technical Field

The utility model relates to a puncture equipment technical field, it is specific, relate to an abdominal cavity puncture auxiliary device.

Background

Abdominocentesis is a technique for assisting in the diagnosis and treatment of disease by puncturing the peritoneal cavity directly from the anterior abdominal wall with a puncture needle or catheter to extract the accumulated fluid in the abdominal cavity. The technique is a simple method for determining the presence or absence of ascites and identifying the nature of the ascites, and is divided into diagnostic abdominal puncture and therapeutic abdominal puncture.

The current puncture mode is generally completed by one medical staff and one auxiliary staff together; the medical staff penetrates the puncture needle into the body of the patient at a certain angle at the puncture part of the patient to a certain depth, and after the puncture is finished, the assistant staff needs to support the puncture needle, so that the viscera of the patient are prevented from being damaged due to shaking of the puncture needle; then the medical staff extracts the abdominal cavity liquid by two times through the injector at the rear end of the puncture needle.

However, the existing abdominal cavity puncture method needs two persons to cooperate to complete, so that the operation amount is large; moreover, the puncture needle is still easy to leak by manual support, which causes the injury of the patient.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an abdominal cavity puncture auxiliary device to it is great to solve current abdominal cavity puncture work operation volume, and causes the technical problem of patient's damage easily.

The technical scheme of the utility model as follows:

an abdominocentesis assistance device comprising:

the base body is fixedly arranged on one side of a patient;

the mounting seat comprises a seat body and a connecting part, wherein the connecting part is fixedly arranged on the seat body and is rotatably arranged on the base body;

the sliding seat is slidably arranged on the seat body, a puncture needle fixing part is arranged on the sliding seat, and the puncture needle can be inserted into the abdominal cavity of the patient along with the sliding seat when being fixedly arranged on the puncture needle fixing part.

Furthermore, the device also comprises a lifting rod; the utility model discloses a portable elevator, including base member, lifter, connecting portion, pivot, base member, the lifter liftable locate on the base member, just be equipped with the pivot hole on the lifter, the pivot has set firmly the pivot on the connecting portion, the rotatable wearing and establishing of pivot is downthehole.

Furthermore, a damping pad is fixedly arranged in the rotating shaft hole, and the rotating shaft is abutted against the damping pad; the damping pad is used for applying damping force to the rotation of the rotating shaft.

Furthermore, a guide hole is formed in the base body, and the lifting rod can be slidably arranged in the guide hole in a penetrating manner; and a threaded hole is formed in the base body, the threaded hole penetrates through the side wall of the guide hole, a limiting part is screwed in the threaded hole, and the limiting part can be tightly pushed or loosened from the lifting rod.

Furthermore, a first guide unit is arranged on the seat body, and a second guide unit is arranged on the sliding seat; the second guide unit can be guided and slid on the first guide unit.

Further, the first guide unit comprises a guide groove or a guide block arranged on the seat body, and the second guide unit comprises a guide block or a guide groove arranged on the sliding seat; the guide block is slidably arranged in the guide groove.

Further, a damping unit is arranged between the first guide unit and the second guide unit and used for applying damping force to relative sliding between the first guide unit and the second guide unit.

Furthermore, the puncture needle fixing part comprises a clamping groove formed in the side wall of the sliding seat, and the tail end of the puncture needle can be clamped in the clamping groove.

Furthermore, a strip-shaped groove is formed in one side wall of the clamping groove, the strip-shaped groove is matched with the appearance of the puncture needle, and the puncture needle can be embedded in the strip-shaped groove;

be equipped with the screw thread through-hole on another relative lateral wall of draw-in groove, threaded connection has a top tight piece in the screw thread through-hole, follows the tight piece rotation in top, top tight piece can with the pjncture needle top is tightly the bar inslot.

Furthermore, the puncture needle device also comprises a pressing piece, and the pressing piece and the puncture needle can be selected and fixed on the sliding seat;

when the pressing piece is fixedly arranged on the sliding seat, the pressing piece can press a wound formed on a patient by the puncture needle.

The utility model discloses a theory of operation and beneficial effect do:

the utility model provides an abdominal cavity puncture auxiliary device, a puncture needle is fixed on a sliding seat, the sliding seat is arranged on a seat body of a mounting seat in a sliding way, the seat body is rotatablely arranged on a base body through a connecting part, and the base body is fixed on one side of a patient, for example, on a sickbed on one side of the patient; because the seat body can rotate for the base member, that is to say the angle of pjncture needle can be adjusted, and the slide can slide on the seat body, consequently, can drive the pjncture needle and pierce into patient's internally through the slip of slide. Compared with a manual puncture needle, the puncture auxiliary device keeps the position of the puncture needle, on one hand, the abdominal puncture can be completed by one person, and the labor is saved; on the other hand, compare with the manual puncture needle of holding, the utility model discloses a puncture needle is still more stable and reliable to this puncture auxiliary device holds.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a prior art lancet assembly;

fig. 2 is an isometric view of an abdominal cavity puncture assisting device provided by the embodiment of the utility model;

fig. 3 is a front view of the auxiliary device for abdominal puncture provided by the embodiment of the present invention;

fig. 4 is an exploded view of the mounting seat and the extension rod according to the embodiment of the present invention;

fig. 5 is another perspective view of the auxiliary device for abdominal cavity puncture provided by the embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 is a schematic structural view of a pressing member according to an embodiment of the present invention.

In the figure: 100-puncture needle assembly, 110-puncture needle, 120-soft rubber tube, 130-injector, 200-base body, 210-clamping groove, 220-limiting piece, 300-mounting seat, 310-seat body, 320-connecting part, 321-rotating shaft, 330-first guide unit, 400-sliding seat, 410-second guide unit, 420-clamping groove, 401-strip groove, 500-locking piece, 600-lifting rod, 610-rotating shaft hole, 700-damping sleeve, 800-top piece, 900-pressing piece, 910-fixing rod and 920-pressing piece.

Detailed Description

As shown in fig. 1, a puncture needle assembly 100 for performing a conventional abdominal puncture generally includes a puncture needle 110 at a front end, a soft rubber tube 120 connected to a distal end of the hard puncture needle 110, and an injector 130 disposed at a rear end of the rubber tube; after the puncture needle 110 is inserted into the patient at a certain angle to a certain depth, the abdominal fluid is extracted by the syringe 130. Since the syringe 130 is generally difficult to operate with one hand, the needle assembly 100 requires one medical worker to hold the needle 110 after the needle 110 is inserted into the patient to prevent the needle 110 from shaking and injuring the organs of the patient, and another medical worker to operate the syringe 130.

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.

The present embodiment provides an auxiliary device for abdominal cavity puncture, hereinafter referred to as an auxiliary device, and is shown in fig. 2, which includes a base 200, a mounting base 300 and a sliding base 400; wherein, the base 200 is used for being fixedly arranged at one side of a patient; the mounting base 300 comprises a base body 310 and a connecting part 320, wherein the connecting part 320 is fixedly arranged on the base body 310, and the connecting part 320 is rotatably arranged on the base body 200; the sliding seat 400 is slidably disposed on the seat body 310, and the sliding seat 400 is provided with a puncture needle fixing portion, so that the puncture needle 110 can be inserted into the abdominal cavity of the patient along with the sliding of the sliding seat 400 when being fixedly disposed on the puncture needle fixing portion.

That is, the base 200 of the present embodiment is fixedly disposed with respect to the patient, the base 200 of the auxiliary device is fixed to, for example, a bed on which the patient lies, and the puncture needle 110 is fixed to the slider 400 of the auxiliary device and can be inserted into the body of the patient as the slider 400 slides; and the slider 400 can rotate with the mounting base 300 relative to the base 200 to adjust the puncturing angle of the puncturing needle 110.

In a simple manner, the puncture needle 110 of this embodiment is fixed to a slidable carriage 400 capable of adjusting the orientation thereof, so that the puncture needle 110 can be inserted into the patient by sliding the carriage 400.

The auxiliary device of this embodiment can maintain the position of the puncture needle 110 without manual support after the puncture needle 110 is inserted into the patient. Therefore, with the aid of the auxiliary device, a single medical worker can complete abdominal cavity puncture; moreover, compared with the handheld puncture needle, the auxiliary device supports the puncture needle 110, so that the puncture needle 110 is more stable, and the probability of injury of a patient is reduced.

Referring to fig. 2 and 3, the base 200 of the present embodiment includes a fixing block, on which a locking groove 210 is formed, and an opening of the locking groove 210 is larger than a thickness of a bed plate of a bed on which a patient lies; and a threaded hole is formed in the fixing block, the threaded hole penetrates through the bottom wall of the clamping groove 210, a locking member 500 is screwed in the threaded hole, and the top end of the locking member 500 and the top wall surface of the clamping groove 210 can clamp the bed plate by rotating the locking member 500, so that the base 200 is fixed on the sickbed.

It should be noted that the structure of the base 200 is not limited to this, for example, if the hospital bed does not have a suitable fixing position, the base 200 may be a bracket disposed on the ground on one side of the hospital bed.

Referring to fig. 2 and fig. 3, the auxiliary device of this embodiment further includes a lifting rod 600, the lifting rod 600 is disposed on the base 200 in a lifting manner, and the lifting rod 600 is provided with a rotating shaft hole 610, the connecting portion 320 is fixedly provided with a rotating shaft 321, and the rotating shaft 321 is rotatably disposed in the rotating shaft hole 610.

That is, in the auxiliary device of the present embodiment, the mounting base 300 is rotatably disposed on the lifting rod 600, so that the mounting base 300 can be lifted. By the lifting of the mounting seat 300, the puncture needle 110 can have a wider adjustment range, so that the auxiliary device can be better applied to patients with different body types; in other words, by providing the lifting rod 600, the puncture needle 110 can be adjusted to an appropriate puncture angle when the assisting apparatus of the present embodiment is applied to patients of different body sizes.

Referring to fig. 2 and 3, in the present embodiment, a guide hole is formed in the base 200, and the lifting rod 600 is slidably inserted into the guide hole through the base 200; and a second threaded hole is formed in the base 200, the second threaded hole penetrates through the side wall of the guide hole, a limiting member 220 is screwed in the second threaded hole, and the limiting member 220 can prop against the lifting rod 600 along with the rotation of the limiting member 220. Therefore, the limiting member 220 can be loosened, and after the height of the guide rod is adjusted to the proper position, the limiting member 220 is screwed, so that the lifting rod 600 is fixed again.

In some embodiments, a screw may be rotatably disposed on the base 200, and the lifting rod 600 may be screwed; a guide mechanism for allowing the lift lever 600 to have only a lifting degree of freedom is provided between the lift lever 600 and the base 200; thus, the lifting rod 600 can be lifted by rotating the screw.

Referring to fig. 4, in the embodiment, a damping sleeve 700 is fixedly disposed on an inner wall of the rotating shaft hole 610, the rotating shaft 321 specifically penetrates through the damping sleeve 700, and the damping sleeve 700 is used for applying a damping force to the rotation of the rotating shaft 321.

In this embodiment, the damping sleeve 700 is arranged to apply a damping force to the rotation of the rotating shaft 321, so that when no acting force is applied to the mounting base 300 from the outside, the mounting base 300 is kept at the current position, that is, the position of the puncture needle 110, by the damping sleeve 700; the orientation of the mount 300 can be adjusted only when a medical professional applies an external force to the mount 300.

In this embodiment, the seat body 310 is provided with a first guiding unit 330, and the sliding seat 400 is provided with a second guiding unit 410; the second guide unit 410 can be guided to slide on the first guide unit 330.

In this embodiment, the first guiding unit 330 may be a guiding slot or a guiding block, and correspondingly, the second guiding unit 410 is a guiding block or a guiding slot; wherein, the guide block can be guided in the guide way and slide. That is, a guide groove may be provided on the seat body 310, and a guide block may be provided on the slider 400; a guide block may be provided on the seat body 310 and a guide groove may be provided on the slider 400. Referring to fig. 2, the present embodiment will be described by taking an example in which the guide grooves are provided on the seat body 310 and the guide blocks are provided on the slider 400.

In this embodiment, referring to fig. 2, the guide groove is a T-shaped groove, and the guide block is a T-shaped block adapted to the T-shaped groove; so that the guide block, i.e., the slider 400, has only freedom of movement in the lengthwise direction of the guide groove. Alternatively, when the slider 400 is pushed after the angular adjustment of the mounting base 300 is completed, the slider 400 and the puncture needle 110 are inserted into the patient at a predetermined angle.

In the present embodiment, a damping unit for applying a damping force to the sliding of the slider 400 with respect to the seat body 310 is provided between the slider 400 and the seat body 310. In this embodiment, the damping unit is a damping pad disposed on the bottom surface of the guide groove. By providing the damping means, the position of the puncture needle 110 can be maintained well. The damping pad is not shown in the drawings of the present embodiment since it does not affect the understanding.

Referring to fig. 5, the needle fixing portion of this embodiment includes a catching groove 420 formed on the top side of the slider 400, and the rear end of the aforementioned puncture needle 110 can be caught and fixed in the catching groove 420.

In the solution of this embodiment, the puncture needle 110 is clamped in the clamping groove 420 through the opening at the top of the clamping groove 420, so that the needle head of the puncture needle 110 can be prevented from contacting the auxiliary device, and the needle head of the puncture needle 110 can be prevented from being contaminated by bacteria.

In a specific structure, referring to fig. 5 and fig. 6, in this embodiment, a strip-shaped groove 401 is provided on one side wall of the clamping groove 420, and the strip-shaped groove 401 is configured to match the shape of the puncture needle 110; alternatively, the cross-section of the groove 401 is circular, and the radius of the circular arc is equal to the outer diameter of the needle 110.

Referring to fig. 6, a threaded through hole is formed in the other opposite side wall of the locking groove 420, a tightening member 800 is screwed into the threaded through hole, and the tightening member 800 can tighten the puncture needle 110 in the groove by rotating the tightening member 800.

In this embodiment, by providing the strip-shaped groove 401 and tightly pushing the puncture needle 110 into the strip-shaped groove 401, the orientation of the puncture needle 110 can be determined well; specifically, by setting the length direction of the strip-shaped groove 401 to be parallel to the length direction of the slider 400, after the puncture needle 110 is fixed in the strip-shaped groove 401, it is ensured that the puncture needle 110 is parallel to the length direction of the slider 400.

Referring to fig. 5, in the present embodiment, the mounting base 300 is provided with a graduation line, and the sliding base 400 can be aligned with the graduation line when sliding, or by providing the graduation line, the medical staff can know the moving distance of the sliding base 400, that is, the depth of the puncture needle 110 penetrating into the patient.

Compared with the existing abdominal cavity puncture method, the puncture depth is determined by medical staff through self experience; the auxiliary device of the embodiment enables the medical staff to clearly know the depth of the puncture needle 110 penetrating into the body of the patient; thereby normalizing the penetration depth of the needle 110 into the patient.

Referring to fig. 7, the assisting apparatus of this embodiment further includes a pressing member 900, and the pressing member 900 and the puncture needle 110 can be alternatively fixed to the slider 400; when the pressing member 900 is fixedly mounted on the slider 400, the pressing member 900 can press a wound formed on the patient by the puncture needle 110.

That is, after assisting the extraction of the abdominal cavity fluid, the assisting device of this embodiment may fix the pressing member 900 on the sliding base 400, and the pressing member 900 continuously presses the wound formed by the puncture on the patient, thereby accelerating the healing of the wound of the patient.

Referring to fig. 7, the pressing member 900 of the present embodiment specifically includes a fixing rod 910 and a pressing portion 920, wherein the fixing rod 910 can be fixed on the sliding seat 400 in the same manner as the aforementioned puncture needle 110, and the pressing portion 920 is a silicone pad fixed on an end of the fixing rod 910.

The working process of the abdominal cavity puncture auxiliary device of the embodiment is as follows:

securing the substrate 200 to one side of the patient;

fixing the puncture needle 110 on the slider 400, and then adjusting the height of the lifting rod 600 and the angle of the mounting seat 300 to make the puncture needle 110 have a proper angle;

pushing the slider 400 to make the puncture needle 110 penetrate into the patient to a certain depth;

operating the syringe 130 to draw the peritoneal fluid;

pulling the sliding seat 400 to pull the puncture needle 110 out of the patient;

the puncture needle 110 is taken down from the sliding seat 400 and then fixed on the sliding seat 400 through the pressing piece 900;

the sliding base 400 is pushed to keep the pressing piece 900 pressed on the wound.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. An auxiliary device for abdominal puncture, comprising:

a base (200), said base (200) being adapted to be fixedly arranged on a side of a patient;

the mounting seat (300) comprises a seat body (310) and a connecting part (320), wherein the connecting part (320) is fixedly arranged on the seat body (310), and the connecting part (320) is rotatably arranged on the base body (200);

slide (400), slidable locates on seat body (310), just be equipped with pjncture needle fixed part on slide (400), pjncture needle (110) sets firmly when on the pjncture needle fixed part, can follow slide (400) slides and pierces the patient abdominal cavity.

2. The laparoscopic puncture assistance device according to claim 1, further comprising a lifting rod (600); locating of lifter (600) liftable on base member (200), just be equipped with pivot hole (610) on lifter (600), pivot (321) have set firmly on connecting portion (320), pivot (321) are rotatable to be worn to establish in pivot hole (610).

3. The auxiliary device for abdominal puncture according to claim 2, wherein a damping pad is fixed in the rotating shaft hole (610), and the rotating shaft (321) abuts against the damping pad; the damping pad is used for applying damping force to the rotation of the rotating shaft (321).

4. The abdominocentesis assisting device according to claim 2, wherein the base body (200) is provided with a guide hole, and the lifting rod (600) is slidably inserted into the guide hole; and a threaded hole is formed in the base body (200), the threaded hole penetrates through the side wall of the guide hole, a limiting piece (220) is screwed in the threaded hole, and the limiting piece (220) can be tightly pushed or loosened from the lifting rod (600).

5. The laparoscopic puncture assisting device according to claim 1, wherein a first guiding unit (330) is provided on the holder body (310), and a second guiding unit (410) is provided on the slider (400); the second guide unit (410) can be guided to slide on the first guide unit (330).

6. The laparoscopic puncture assisting device according to claim 5, wherein the first guide unit (330) includes a guide groove or a guide block provided on the holder body (310), and the second guide unit (410) includes a guide block or a guide groove provided on the slider (400); the guide block is slidably arranged in the guide groove.

7. The laparoscopic puncture assistance device according to claim 5, wherein a damping unit is provided between the first guide unit (330) and the second guide unit (410) for applying a damping force to the relative sliding between the first guide unit (330) and the second guide unit (410).

8. An abdominocentesis assisting device according to any one of claims 1 to 7, wherein the puncture needle fixing part comprises a clamping groove (420) arranged on the side wall of the sliding seat (400), and the tail end of the puncture needle (110) can be clamped in the clamping groove (420).

9. The abdominocentesis assisting device according to claim 8, characterized in that a strip-shaped groove (401) is formed on one side wall of the clamping groove (420), the strip-shaped groove (401) matches the outer shape of the puncture needle (110), and the puncture needle (110) can be embedded in the strip-shaped groove (401);

be equipped with the screw thread through-hole on another relative lateral wall of draw-in groove (420), threaded connection has top piece (800) in the screw thread through-hole, follows top piece (800) rotate, top piece (800) can with pjncture needle (110) top is tightly in bar groove (401).

10. The laparoscopic puncture assisting device according to claim 1, further comprising a pressing member (900), wherein the pressing member (900) and the puncture needle (110) can be alternatively fixed on the slider (400);

when the pressing piece (900) is fixedly arranged on the sliding seat (400), the pressing piece (900) can press the wound formed on the patient by the puncture needle (110).

Images