CN218279751U - Adjustable self-fixing type abdominal cavity puncture needle - Google Patents

Abstract

The utility model discloses an adjustable from fixed abdominal cavity pjncture needle belongs to medical instrument technical field, including pjncture needle body, movable sleeve, a fixing bolt, direction support and fixed paster, pjncture needle body's upper end activity cover is equipped with movable sleeve, and pjncture needle body's lower extreme puncture patient skin is equipped with a fixing bolt on the movable sleeve, and movable sleeve fixes on pjncture needle body through a fixing bolt spiro union, and the direction support is equipped with a plurality ofly, and the upper end of a plurality of direction supports articulates on movable sleeve's outer wall, and the lower extreme of direction support is equipped with fixed paster. The length of the puncture needle body can be conveniently adjusted by using the movable sleeve; the application still utilizes the direction support, and when initial condition, handheld needle handle, the direction support plays the additional action, makes the pjncture needle body be difficult to follow the landing of hand. When the abdominal cavity puncture needle is in a use state, the position of the abdominal cavity puncture needle body is fixed through the direction support, and the abdominal cavity puncture needle body is prevented from moving to bring pain to a patient.

Description

Adjustable self-fixing type abdominal cavity puncture needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to adjustable from fixed abdominal cavity pjncture needle.

Background

Ascites is one of the most prominent clinical manifestations in the late stage of liver disease, and can cause abdominal distension and respiratory failure. The abdominal paracentesis is a diagnosis and treatment technology for directly puncturing an abdominal cavity from the abdominal front wall by a puncture needle. The method aims at relieving the uncomfortable symptoms of patients and determining the properties of ascites, and is a quite common examination and treatment means in clinic.

In the puncture link of the operation process, an operator needs to fix the skin of a puncture part with a left hand, a right hand holds a needle to vertically penetrate into the abdominal wall through an anesthesia part, when the needle edge resistance disappears suddenly, the needle point is indicated to pass through the peritoneal wall layer, after an assistant wears gloves, the needle head is fixed with the assistance of disinfection vascular forceps, and the operator extracts ascites and takes samples for inspection. The assistant uses the operation link of 'fixing the needle head by assisting the vascular forceps', so that the workload of a doctor is increased, and the phenomenon that the abdominal cavity puncture needle is shifted or even slides out can often occur due to hand fatigue caused by long-time holding or insufficient tension of an adhesive tape and other reasons, so that the problem of repeatedly adjusting the position of the puncture needle or repeatedly puncturing is caused, the pain of a patient is further increased, complications such as bleeding are accompanied, and the probability of iatrogenic infection is high.

In the prior art, the publication date is 20210618, and the patent number is CN 202022276106.8's a department of nephrology pjncture needle location fixed equipment, and it is inwards tightened through rotatory circle control fixed hoop that twists to make the pjncture needle fix on the puncture locating plate, and through buckling with the close laminating of skin laminating piece on human skin surface, fix the puncture locating plate according to this, prevent that the skew condition that drops from appearing in the puncture locating plate from taking place. However, the structure only can keep the puncture needle perpendicular to the skin of the human body all the time, the angle of the puncture needle cannot be adjusted, the position of the oblique puncture needle cannot be fixed, and the needle head of the puncture needle still can slide easily. And the puncture needle and the fixing device are arranged in a split manner, so that the operation process of medical personnel is increased, and the labor cost is wasted.

Therefore, the technical problem to be solved by those skilled in the art is how to provide a novel puncture needle fixing device to assist the operator in fixing the needle head, facilitate the operator to perform independent abdominal puncture operation, and save labor cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an adjustable self-fixing type abdominal cavity puncture needle to solve the problem that the puncture needle slides easily because the doctor grips the abdominal cavity puncture needle for a long time in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an adjustable from fixed abdominal cavity pjncture needle, includes pjncture needle body, movable sleeve, a fixing bolt, direction support and fixed paster, the upper end activity cover of pjncture needle body is equipped with movable sleeve, the lower extreme puncture patient skin of pjncture needle body, be equipped with a fixing bolt on the movable sleeve, movable sleeve fixes on the pjncture needle body through a fixing bolt spiro union, the direction support is equipped with a plurality ofly, and is a plurality of the upper end of direction support articulates on movable sleeve's outer wall, the lower extreme of direction support is equipped with fixed paster.

Furthermore, a hinging part is arranged between the upper end of the direction support and the movable sleeve.

Furthermore, a clamping groove structure is arranged on the outer wall of the movable sleeve.

Further, the direction support at least comprises an initial state, and in the initial state, the direction support is turned upwards around the hinged part and clamped in the clamping groove structure.

Furthermore, the direction support also comprises a using state, and when the direction support is in the using state, the direction support is downwards turned around the hinged part, and the fixing patch at the lower end of the direction support is attached to the skin of a patient.

Further, the hinge member is a spherical joint shaft or a hinge shaft.

Furthermore, the direction support comprises an outer sleeve and an inner sleeve, and the inner sleeve is sleeved in the outer sleeve in a sliding manner.

Furthermore, a second fixing bolt penetrates through the outer sleeve, and the inner sleeve is fixed on the outer sleeve through the second fixing bolt in a threaded manner.

Further, still include first recess and second recess, first recess is located on the movable sleeve lateral wall, just first recess is located the upper end of articulated part, be equipped with the second recess on the lateral wall of direction support, and when initial condition, first recess and second recess are as an organic whole, and the fastener cover is established in first recess and the second recess.

Further, the hinge joint structure further comprises a third groove, the third groove is formed in the outer side wall of the movable sleeve, the third groove is formed in the lower end of the hinge joint part, and in a use state, the fastener is sleeved in the third groove.

The utility model has the advantages of as follows:

according to the puncture needle, the movable sleeve is sleeved on the puncture needle body, the movable sleeve is fixed on the puncture needle body by adjusting the position of the movable sleeve and screwing and fixing the fixing bolt, so that the length of the puncture needle body is increased or shortened, the length of the puncture needle body adapts to the depth from the skin surface layer of a patient to the abdominal cavity, and the length of the puncture needle body is convenient to adjust; the puncture needle body is characterized in that the puncture needle body is provided with a needle handle, and the needle handle is arranged on the needle handle. When the abdominal cavity puncture needle is in a use state, the direction support is taken down from the movable sleeve, and the fixing patch of the direction support is attached to the skin of a patient, so that the position of the abdominal cavity puncture needle body is fixed, and the abdominal cavity puncture needle body is prevented from moving to bring pain to the patient. And the position of the fixed patch and the length of the direction bracket can be adjusted, so that different puncture directions of the abdominal cavity puncture needle body can be met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a use state diagram of the hinge component provided by the present invention being a spherical joint shaft;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a using state diagram of the hinge component provided by the present invention being a hinge shaft;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is an initial state diagram of the present invention;

FIG. 6 is a cross-sectional view of the puncture needle body, the movable sleeve and the first fixing bolt;

in the figure:

1, a puncture needle body; 2, moving the sleeve; 3 a first fixing bolt; 4, a bracket in the 4 direction; 401 an outer sleeve; 402 an inner casing; 5 fixing the patch; 6 a hinged part; 7, a clamping groove structure; 8 a second fixing bolt; 9 a first groove; 10 a second groove; 11 third recess.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In order to solve the related technical problems existing in the prior art, the embodiment of the application provides an adjustable self-fixing type abdominal cavity puncture needle, which aims to solve the problem that the existing abdominal cavity puncture needle is easy to slide down and realize the effect of fixing the abdominal cavity puncture needle. Referring to fig. 1-6, the puncture needle comprises a puncture needle body 1, a movable sleeve 2, a first fixing bolt 3, a direction bracket 4 and a fixing patch 5. The movable sleeve 2 is sleeved on the upper end of the puncture needle body 1, the skin of a patient is punctured by the lower end of the puncture needle body 1, the first fixing bolt 3 penetrates through the movable sleeve 2, and the movable sleeve 2 is fixed on the puncture needle body 1 through the first fixing bolt 3 in a threaded connection mode.

The position of the movable sleeve 2 at the upper end of the puncture needle body 1 is adjusted according to the depth from the skin surface layer of the patient to the abdominal cavity, so that the puncture needle body 1 can be punctured into the abdominal cavity of the patient to reach the skin surface layer in a proper length. After the length of the puncture needle body 1 is determined, the first fixing bolt 3 is screwed up and fixed, so that the movable sleeve 2 is fixed on the puncture needle body 1, the length of the puncture needle body 1 is increased or shortened, the length of the puncture needle body 1 is adapted to the depth from the skin surface layer of a patient to the abdominal cavity, and the length of the puncture needle body 1 is convenient to adjust.

The needle body of pjncture needle body 1 is the metal material, and all other parts all use the PVC material preparation, conveniently carry out disposable sterilization disinfection packing, make things convenient for clinical use. The puncture needle body 1 is manufactured by adopting the conventional specification, the length of the part penetrating through the movable sleeve 2 is 2-5cm, and the movable sleeve 2 is convenient to adjust.

Three direction supports 4 are arranged, and the three direction supports 4 surround the movable sleeve 2 and the puncture needle body 1. An articulated component 6 is arranged between the upper end of the direction support 4 and the movable sleeve 2, the upper end of the direction support 4 is articulated on the outer wall of the movable sleeve 2 through the articulated component 6, and the direction support 4 can rotate around the articulated component 6. The lower extreme of direction support 4 is equipped with fixed paster 5, and fixed paster 5 is 1x1 cm's square auxiliary material paster. The fixing patch 5 is provided with a backing paper layer, and the backing paper layer is uncovered to ensure that the fixing patch 5 is attached to the body of the patient, thereby attaching the direction support 4 to the body of the patient.

The direction support 4 is a telescopic support, the direction support 4 comprises an outer sleeve 401 and an inner sleeve 402, and the inner sleeve 402 is sleeved in the outer sleeve 401 in a sliding manner. A second fixing bolt 8 is arranged on the outer sleeve 401 in a penetrating manner, and the inner sleeve 402 is fixed on the outer sleeve 401 through the second fixing bolt 8 in a threaded manner. After the puncture needle body 1 is punctured into the abdominal cavity of a patient, the length of the direction support 4 is adjusted according to the puncturing direction of the puncture needle body 1, the length of the direction support 4 is determined, and then the second fixing bolt 8 is screwed and fixed, so that the connection relation between the inner sleeve 402 and the outer sleeve 401 is fixed. The fixing patch 5 at the lower end of the direction support 4 around the puncture needle body 1 is attached to the skin of a patient, so that the direction support 4 is fixed on the skin of the patient, the position of the puncture needle body 1 is fixed, and the pain of the patient caused by the displacement of the puncture needle body 1 is avoided.

The hinge member 6 is a spherical joint shaft or a hinge shaft. When the hinged part 6 is a spherical joint shaft, the direction support 4 can rotate 360 degrees around the spherical joint shaft, so that the direction support 4 can be adjusted in multiple angles; when the hinge member 6 is a hinge shaft, the direction bracket 4 can be vertically rotated by 180 degrees around the hinge shaft, so that the direction bracket 4 can be adjusted in multiple angles.

When the puncture needle body 1 vertically punctures into the skin of a patient, the movable sleeve 2 is also vertically arranged above the skin of the patient. The direction support 4 is taken down from the movable sleeve 2, the length of the direction support 4 is adjusted, the direction support 4 rotates around the hinged part 6, the direction support 4 is uniformly attached to the skin of a patient, the direction support 4 is uniformly distributed outside the puncture needle body 1, the position of the puncture needle body 1 is supported and fixed, and the pain of the patient caused by the displacement of the puncture needle body 1 is avoided.

When the puncture needle body 1 is obliquely inserted into the skin of a patient, the movable sleeve 2 is also obliquely arranged above the skin of the patient. The direction bracket 4 is removed from the movable sleeve 2, and the length of the direction bracket 4 is adjusted to rotate around the hinge part 6. Because the movable sleeve 2 is inclined, the lengths and angles of the direction brackets 4 in the three directions are different. And each direction support 4 enables the direction support 4 to adjust the angle of the direction support 4 around the hinged part 6 of the direction support 4 according to the distance from the direction support 4 to the skin of the patient, and after the proper angle is determined, the length of the direction support 4 is adjusted, so that the fixing patch 5 at the lower end of the direction support 4 is attached to the skin of the patient.

The direction bracket 4 includes two states. In the initial state, a doctor holds the needle handle of the puncture needle body 1, and the surrounding direction brackets 4 play an auxiliary role, so that the puncture needle body 1 is not easy to slide off the hand. When the puncture needle is in use, the direction support 4 is taken down from the movable sleeve 2, and the fixing patch 5 of the direction support 4 is attached to the skin of a patient, so that the position of the puncture needle body 1 is fixed, and the pain of the patient caused by the displacement of the puncture needle body 1 is avoided. And the position of the fixed patch 5 and the length of the direction bracket 4 can be adjusted, so that different puncture directions of the puncture needle body 1 can be met.

Be equipped with draw-in groove structure 7 on the outer wall of movable sleeve 2, when initial condition, turn over direction support 4 and roll over the card upwards around articulated part 6 and establish in draw-in groove structure 7, at this moment, three direction support 4 all fixes on movable sleeve 2, and the fixed paster 5 of lower extreme of direction support 4 is located the top of movable sleeve 2. The medical staff holds the needle handle of the puncture needle body 1 and punctures the puncture needle body 1 into the skin of the patient. The surrounding direction support 4 plays an auxiliary role, so that the puncture needle body 1 is not easy to slide off the hand. The direction bracket 4 is externally sleeved with an anti-slip sleeve, so that the puncture needle body 1 is further prevented from slipping off from the hands of medical personnel.

After the puncture needle body 1 finishes puncturing, the direction support 4 is turned downwards around the hinge part 6, so that the direction support 4 is taken down from the movable sleeve 2, and the fixed patch 5 of the direction support 4 is attached to the skin of a patient, so that the position of the puncture needle body 1 is fixed, and pain of the patient caused by the displacement of the puncture needle body 1 is avoided.

Still include first recess 9 and second recess 10, first recess 9 is located on the activity sleeve 2 lateral wall, and first recess 9 locates the upper end of articulated part 6, is equipped with second recess 10 on the lateral wall of direction support 4, and when initial condition, first recess 9 and second recess 10 close as an organic wholely, and the fastener cover is established in first recess 9 and second recess 10. The fastener is the elastic sleeve rope, and when initial condition, direction support 4 turns over the card upwards around articulated part 6 and establishes in draw-in groove structure 7, and first recess 9 and second recess 10 are as an organic whole, and the elastic sleeve rope cover is established in first recess 9 and second recess 10 to further fix direction support 4 on movable sleeve 2.

Still include third recess 11, third recess 11 is located on the activity sleeve 2 lateral wall, and third recess 11 locates the lower extreme of articulated part 6, and when the user state, the fastener cover is established in third recess 11. In the use state, the elastic noose slides down into the third recess 11 while the direction support 4 is turned down around the hinge part 6. Third recess 11 provides for providing the elasticity noose on the one hand and places the space, and on the other hand plays limiting displacement, makes direction support 4 and movable sleeve 2 have certain angle all the time, can not make direction support 4 parallel with pjncture needle body 1, avoids disturbing pjncture needle body 1 and to patient's puncture operation.

The utility model discloses use as follows:

the direction support 4 turns over the card upwards around articulated part 6 and establishes in draw-in groove structure 7, the needle handle of the handheld pjncture needle body 1 of medical personnel, the skin of going into patient with pjncture needle body 1 puncture, the back that the pjncture needle body 1 puncture finishes, turn over direction support 4 downwards around articulated part 6, direction support 4 takes off from movable sleeve 2, adjust the angle and the length of direction support 4 respectively, make the 5 subsides of fixed paster of direction support 4 establish on patient's skin, thereby fix the position of pjncture needle body 1, avoid pjncture needle body 1 aversion to bring the misery for the patient.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.

Claims (10)

1. The utility model provides an adjustable from fixed abdominal cavity pjncture needle, its characterized in that, includes pjncture needle body (1), movable sleeve (2), first fixing bolt (3), direction support (4) and fixed paster (5), the upper end activity cover of pjncture needle body (1) is equipped with movable sleeve (2), the lower extreme puncture patient skin of pjncture needle body (1), be equipped with first fixing bolt (3) on movable sleeve (2), movable sleeve (2) are fixed on pjncture needle body (1) through first fixing bolt (3) spiro union, direction support (4) are equipped with a plurality ofly, and are a plurality of the upper end of direction support (4) articulates on the outer wall of movable sleeve (2), the lower extreme of direction support (4) is equipped with fixed paster (5).

2. An adjustable self-fixating laparoscopic needle according to claim 1, wherein a hinged part (6) is provided between the upper end of said directional support (4) and said movable cannula (2).

3. The adjustable self-fixing abdominal cavity puncture needle according to claim 2, wherein a clamping groove structure (7) is arranged on the outer wall of the movable sleeve (2).

4. An adjustable self-fixating laparoscopic needle according to claim 3, wherein said directional support (4) comprises at least an initial state, and wherein said directional support (4) is folded up around a hinge part (6) and snapped into said snap-fit structure (7) in said initial state.

5. An adjustable self-fixating laparoscopic needle according to claim 2, wherein said directional support (4) further comprises a use position, and wherein in the use position said directional support (4) is folded down around the hinge part (6) and the fixation patch (5) at the lower end of said directional support (4) is applied to the skin of the patient.

6. The adjustable self-fixating laparoscopic needle of claim 2, wherein said articulating member (6) is a ball joint shaft or an articulating shaft.

7. The adjustable self-fixating laparoscopic needle of claim 1, wherein said directional support (4) comprises an outer cannula (401) and an inner cannula (402), said inner cannula (402) being slidably disposed within said outer cannula (401).

8. The adjustable self-fixing abdominal puncture needle according to claim 7, wherein a second fixing bolt (8) is arranged on the outer sleeve (401) in a penetrating manner, and the inner sleeve (402) is fixed on the outer sleeve (401) in a screw connection manner through the second fixing bolt (8).

9. The adjustable self-fixing type abdominal cavity puncture needle according to claim 4, further comprising a first groove (9) and a second groove (10), wherein the first groove (9) is arranged on the outer side wall of the movable sleeve (2), the first groove (9) is arranged at the upper end of the hinge component (6), the second groove (10) is arranged on the outer side wall of the direction bracket (4), in an initial state, the first groove (9) and the second groove (10) are combined into a whole, and a fastening piece is sleeved in the first groove (9) and the second groove (10).

10. An adjustable self-fixating laparoscopic needle according to claim 5, further comprising a third recess (11), wherein said third recess (11) is formed on the outer sidewall of said movable cannula (2), and said third recess (11) is formed at the lower end of said hinge member (6), and wherein in use, a fastener is fitted into said third recess (11).

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