CN219782690U - Puncture liquid suction device for children abdominal cavity examination - Google Patents

Abstract

The utility model provides a puncture liquid suction device for children abdominal cavity examination, which comprises a glue paste, a sheath tube, a puncture needle and an aspirator; wherein, the center of the adhesive tape is sealed with a guide block, and the center of the guide block is provided with a guide hole; the sheath tube is arranged in the guide hole in a sliding way, and the top end of the sheath tube is provided with a first plug-in port; the puncture needle is arranged in the sheath in a sliding way, the top end of the puncture needle is provided with an adapter, the bottom end of the adapter can be in plug-in fit with the first plug-in port, and when the adapter is plugged in the first plug-in port, the needle head of the puncture needle can downwards extend out of the bottom end of the sheath, the top end of the puncture needle is provided with a second plug-in port, and the second plug-in port and the first plug-in port are the same in size; the output end of the aspirator is provided with an inserting connector which can be matched with any one of the first inserting connector and the second inserting connector in an inserting way so as to suck abdominal cavity liquid. The puncture and drainage device for children abdominal cavity examination can prevent puncture and drainage from passing through the tissue in the Cheng Cishang abdominal cavity, and alleviate the pain of patients during puncture.

Description

Puncture liquid suction device for children abdominal cavity examination

Technical Field

The utility model belongs to the technical field of abdominal fluid sampling inspection tools, and particularly relates to a puncture and liquid suction device for children abdominal cavity inspection.

Background

The abdominal cavity puncture operation is suitable for liquid suction to perform laboratory tests and pathological examinations so as to clearly determine specific conditions of effusion, pus and blood accumulation in the abdominal cavity, and the diagnosis and treatment are convenient.

The common puncture liquid-drawing tool is similar to the needle tube structure of an injector, penetrates into the abdominal cavity through a needle head during operation, and simultaneously sucks outwards slowly along with the puncture process so as to judge whether the puncture is in place. For children patients, because the different conditions of height, body fat and the like of different patients are large, when the puncture and the liquid suction are performed, a doctor often has difficulty in accurately judging the depth and the position of the puncture needle penetrating into the abdominal cavity, and the condition that the tissue in the abdominal cavity is punctured easily occurs to cause pain of the patients; in addition, when the puncture needle is actually used for puncture and liquid extraction, the puncture needle is often required to swing after extending into the abdominal cavity to find the optimal liquid extraction position, and the operation process can lead the abdominal cavity perforation of the patient to be continuously pulled and expanded, so that the pain of the patient is further aggravated.

Disclosure of Invention

The embodiment of the utility model provides a puncture and drainage device for children abdominal cavity examination, which aims to solve the problem that puncture and drainage operation is easy to stab tissues in abdominal cavity and reduce the pain of puncture of a patient.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a puncture and drainage device for children abdominal cavity examination, comprising:

the adhesive plaster is used for being adhered to the skin of the abdominal cavity, the center of the adhesive plaster is encapsulated with a guide block, the center of the guide block is provided with a guide hole which penetrates up and down, and the guide hole is used for aligning the position to be punctured of the abdominal cavity;

the sheath tube is arranged in the guide hole in a vertically sliding way, and the top end of the sheath tube is provided with a first inserting port;

the puncture needle is arranged in the sheath in a sliding penetrating way, the top end of the puncture needle is provided with an adapter, the bottom end of the adapter can be in plug-in fit with the first plug-in port, and when the adapter is plugged in the first plug-in port, the needle head of the puncture needle can downwards extend out of the bottom end of the sheath, the top end of the adapter is provided with a second plug-in port, and the second plug-in port and the first plug-in port are the same in size;

the aspirator, the output is equipped with the bayonet joint, and the bayonet joint can be with the arbitrary grafting cooperation of first bayonet joint and second bayonet joint in order to suck abdominal cavity liquid.

In one possible implementation, the bottom end of the sheath is provided with a flexible tube section; when the puncture needle penetrates into the sheath, the flexible pipe section is hooped on the outer peripheral wall of the puncture needle, and when the puncture needle withdraws out of the sheath, the inner hole of the flexible pipe section is in a free stretching state.

In some embodiments, a plurality of elastic supporting rings are arranged in the flexible pipe section at intervals along the axial direction of the flexible pipe section, and each elastic supporting ring expands along with the supporting of the flexible pipe section when the puncture needle penetrates into the sheath pipe, and each elastic supporting ring freely contracts and supports the flexible pipe section in a free supporting state when the puncture needle withdraws from the sheath pipe.

The elastic supporting ring is an open ring, two ends of a ring opening of the open ring are abutted in a free state, one end of the ring opening of the elastic supporting ring is provided with an arc-shaped guide rod, and the other end of the ring opening of the elastic supporting ring is provided with an arc-shaped sliding hole which is suitable for the arc-shaped guide rod to extend in.

For example, the needle of the needle is pointed and the taper of the needle is curved toward the center of the bore of the needle.

In one possible implementation, a positioning member is provided between the guide block and the sheath for fixing the axial position of the guide block on the sheath.

In some embodiments, the top end of the hole wall of the guide hole is provided with a ring groove, the positioning piece is sleeved on the sheath tube in a sliding way, and the positioning piece is in a fixed state of being embedded in the ring groove and also in a floating state of being separated from the ring groove; wherein, in the fixed state, the locating piece forms tight fit with the groove wall of the ring groove and the peripheral wall of the sheath.

The circumferential wall of the ring groove is provided with an arc-shaped groove, the positioning piece comprises a sliding sleeve sleeved on the sheath tube and a rubber ring arranged at the bottom end of the sliding sleeve, when in a fixed state, the rubber ring is embedded into the arc-shaped groove, and the rubber ring forms tight fit with the outer circumferential wall of the sheath tube under the extrusion of the arc-shaped groove.

For example, the periphery of the glue paste on the guide block is provided with a frangible groove.

In some embodiments, the aspirator includes an aspirator body and a nipple; wherein, the plug is fixedly connected with the output end of the aspirator body or is connected with the output end of the aspirator body through a hose.

The puncture liquid suction device for children abdominal cavity examination has the beneficial effects that: compared with the prior art, the puncture liquid suction device for children abdominal cavity examination is characterized in that when in use, the guide hole is aligned with the position to be punctured of the abdominal cavity, the guide block is fixed on the skin of the abdominal cavity by using the adhesive tape, then the adapter is in plug-in fit with the first plug-in port, the second plug-in port is in plug-in fit with the plug-in connector of the output end of the aspirator, the sheath tube is slowly inserted into the guide hole, the needle head of the puncture needle extending out of the bottom end of the sheath tube pierces the abdominal cavity wall, the bottom end of the sheath tube penetrates into the abdominal cavity together with the puncture needle, then the puncture needle is pulled out, the plug-in connector of the aspirator is in plug-in fit with the first plug-in port, and then the sheath tube is continuously inserted deeply into the abdominal cavity until the bottom end of the sheath tube reaches an ideal liquid suction position; because the needle head of the puncture needle does not need to penetrate into the abdominal cavity, the needle head can be prevented from scratching tissues in the abdominal cavity, and meanwhile, the adhesive tape has a stabilizing effect on the skin of the abdominal cavity, so that the excessive deformation of the skin of the abdominal cavity can be avoided when the sheath tube is rocked, the pulling and expanding force of the sheath tube rocking on the perforation of the abdominal cavity can be reduced, and the pain sensation of the puncture of a patient is further relieved.

Drawings

Fig. 1 is a schematic structural diagram of a puncture and drainage device for children abdominal cavity examination according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram II of a puncture and drainage device for children abdominal cavity examination according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

FIG. 4 is a schematic view of a guide block according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a sheath tube according to an embodiment of the present utility model;

FIG. 6 is a schematic view of an elastic support member according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a lancet according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a puncture and drainage device for children abdominal cavity examination according to an embodiment of the present utility model.

In the figure: 10. sticking; 11. a guide block; 111. a guide hole; 112. a ring groove; 113. an arc-shaped groove; 12. an easy-to-fold groove; 20. a sheath; 21. a first interface; 22. a flexible tube section; 221. an elastic support ring; 2211. an arc-shaped guide rod; 2212. an arc slide hole; 30. a puncture needle; 31. an adapter; 311. a second interface; 40. an aspirator; 41. an aspirator body; 42. a plug; 43. a hose; 50. a positioning piece; 51. a sliding sleeve; 52. a rubber ring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.

Referring to fig. 1 to 8, the puncture and aspiration device for children abdominal cavity examination provided by the utility model will now be described. The puncture and liquid extraction device for the children abdominal cavity examination comprises a glue paste 10, a sheath 20, a puncture needle 30 and an aspirator 40; the adhesive tape 10 is used for being adhered to the skin of the abdominal cavity, the center of the adhesive tape 10 is packaged with a guide block 11, the center of the guide block 11 is provided with a guide hole 111 penetrating up and down, and the guide hole 111 is used for aligning with the position to be punctured of the abdominal cavity; the sheath 20 is arranged in the guide hole 111 in a vertically sliding way, and the top end of the sheath 20 is provided with a first inserting port 21; the puncture needle 30 is arranged in the sheath 20 in a sliding way, the top end of the puncture needle 30 is provided with an adapter 31, the bottom end of the adapter 31 can be in plug-in fit with the first plug-in port 21, when the adapter 31 is plugged in the first plug-in port 21, the needle head of the puncture needle 30 can downwards extend out of the bottom end of the sheath 20, the top end of the adapter 31 is provided with a second plug-in port 311, and the second plug-in port 311 and the first plug-in port 21 have the same size; the output end of the aspirator 40 is provided with a plug 42, and the plug 42 can be plugged and matched with any one of the first plug 21 and the second plug 311 to aspirate abdominal cavity fluid.

It should be noted that, the adhesive plaster 10 is a medical plaster, the central position encapsulates the guide block 11, the protective film is uncovered to expose the adhesive layer to be adhered to the skin, and a secondary polishing use mode is adopted; the sheath 20 is made of medical silica gel or resin material; the needle head of the puncture needle 30 adopts a sharp cone shape, and meanwhile, the cone tip of the needle head bends towards the center of the inner hole of the puncture needle 30, so that on one hand, the needle head with the sharp cone shape can be utilized to puncture the skin smoothly, and on the other hand, the bent cone tip can be utilized to avoid scraping the inner wall of the sheath 20 in the process that the puncture needle 30 penetrates into the sheath 20, so that the insertion of the puncture needle 30 and the sheath 20 is ensured to be smooth.

In this embodiment, the aspirator 40 includes an aspirator body 41 and a plug 42, specifically, the aspirator body 41 may be of a conventional syringe structure, the plug 42 is integrally formed on the aspirator body 41 (as shown in fig. 1 and 2), or is connected to the aspirator body 41 through a hose 43 (as shown in fig. 8); the aspirator body 41 may also be a conventional automatic negative pressure aspirator and has its output end connected to the nipple 42 by a hose 43.

Compared with the prior art, the puncture and liquid suction device for the children abdominal cavity examination, provided by the embodiment, is used, after the guide hole 111 is aligned with the position to be punctured of the abdominal cavity, the guide block 11 is fixed on the abdominal cavity skin by the adhesive tape 10, then the adapter 31 is in plug fit with the first plug connector 21, the second plug connector 311 is in plug fit with the plug connector 42 at the output end of the aspirator 40, the sheath 20 is slowly inserted into the guide hole 111, the puncture needle 30 extends out of the needle head at the bottom end of the sheath 20 to puncture the abdominal cavity wall, the bottom end of the sheath 20 penetrates into the abdominal cavity together with the puncture needle 30, then the puncture needle 30 is pulled out, the plug connector 42 of the aspirator 40 is in plug fit with the first plug connector 21, and then the sheath 20 is continuously inserted into the abdominal cavity until the bottom end of the sheath 20 reaches the ideal liquid suction position; because the needle head of the puncture needle 30 does not need to penetrate into the abdominal cavity, the needle head can be prevented from scratching tissues in the abdominal cavity, and meanwhile, the adhesive tape 10 has a stabilizing effect on the skin of the abdominal cavity, so that excessive deformation of the skin of the abdominal cavity can be avoided when the sheath 20 is rocked, pulling and expanding force of the sheath 20 to the abdominal cavity perforation can be reduced, and further pain sensation of puncture of a patient is relieved.

In some embodiments, referring to fig. 1 and 2, the bottom end of the sheath 20 is provided with a flexible tube segment 22; when the puncture needle 30 penetrates the sheath 20, the flexible tube section 22 is tightly hooped on the outer peripheral wall of the puncture needle 30, and when the puncture needle 30 withdraws the sheath 20, the inner hole of the flexible tube section 22 is in a free-open state.

The main structure of the sheath 20 adopts a medical silica gel material or a resin material with harder material, bending is avoided during puncture operation, the bottom end of the sheath 20 is processed into a relatively soft flexible pipe section 22, the flexible pipe section 22 is utilized to tighten the peripheral wall of the puncture needle 30 during puncture, the sheath 20 can be ensured to smoothly penetrate into the abdominal cavity along with the puncture needle 30, after the sheath 20 enters the abdominal cavity and the puncture needle 30 is pulled out, the inner hole of the flexible pipe section 22 can still be kept in a free opening state under the action of self tension although losing the support of the puncture needle 30, so that the inner hole of the sheath 20 is ensured to be unobstructed, meanwhile, the flexible pipe section 22 is taken as the position of the sheath 20 extending into the deepest abdominal cavity, the internal tissues of the abdominal cavity can be better protected, and the damage to the internal tissues of the abdominal cavity of a patient caused by the puncture operation is avoided.

It should be understood that, in order to enable the flexible tube section 22 to maintain the state that the inner hole is spread in the free state after the puncture needle 30 is pulled out, in this embodiment, referring to fig. 5 and 6, a plurality of elastic supporting rings 221 are disposed in the flexible tube section 22 at intervals along the axial direction thereof, and each elastic supporting ring 221 expands with the spreading of the flexible tube section 22 when the puncture needle 30 penetrates the sheath tube 20, and each elastic supporting ring 221 freely contracts and supports the flexible tube section 22 in the free spreading state when the puncture needle 30 withdraws the sheath tube 20.

For example, the elastic supporting ring 221 in the present embodiment is a split ring, and two ends of the ring opening of the split ring are abutted in a free state, one end of the ring opening of the elastic supporting ring 221 is provided with an arc-shaped guide rod 2211, and the other end is provided with an arc-shaped sliding hole 2212 suitable for the arc-shaped guide rod 2211 to extend into.

When the puncture needle 30 is inserted into the sheath 20 and passes through the flexible tube section 22, the flexible tube section 22 is supported by the peripheral wall of the puncture needle 30 to be subjected to adaptive expansion, at this time, the elastic supporting ring 221 is supported, so that the hooping acting force of the flexible tube section 22 on the puncture needle 30 can be improved, and when the puncture needle 30 is pulled out, the elastic supporting ring 221 rebounds to a state that two ends of the ring mouth are propped against with the shrinkage of the flexible tube section 22 under the action of the self elastic force, so that the supporting acting force can be provided for the flexible tube section 22, and the situation that the flexible tube section 22 is forced to be closed to influence the smoothness of liquid pumping is avoided.

In some possible implementations, referring to fig. 1 to 4, a positioning member 50 is disposed between the guide block 11 and the sheath 20, and the positioning member 50 is used to fix the axial position of the guide block 11 on the sheath 20. After the sheath 20 is inserted into the abdominal cavity, the axial relative positions of the guide block 11 and the sheath 20 are fixed through the positioning piece 50, so that the sheath 20 is prevented from sliding in the guide hole 111 to change the liquid pumping position, the operation difficulty is reduced, and the stability of the liquid pumping process is improved.

Specifically, in the present embodiment, the positioning member 50 is configured as shown in fig. 3. The top end of the guide block 11 is provided with a ring groove 112, the positioning piece 50 is sleeved on the sheath 20 in a sliding way, and the positioning piece 50 is in a fixed state of being embedded into the ring groove 112 and also in a floating state of being separated from the ring groove 112; in the fixed state, the positioning member 50 is tightly fitted with the groove wall of the annular groove 112 and the outer peripheral wall of the sheath 20.

In the puncturing operation stage, the positioning member 50 is in a floating state shown in fig. 1, and the sheath 20 can freely slide in the guide hole 111, so that the sheath 20 can conveniently penetrate into the abdominal cavity, after the sheath 20 is punctured in place, the positioning member 50 is embedded into the annular groove 112 to form a tight fit state with the groove wall of the annular groove 112 and the peripheral wall of the sheath 20 as shown in fig. 3, so that the relative positions of the sheath 20 and the guide hole 111 are fixed, and the puncture device is simple in structure and convenient to operate.

Optionally, in this embodiment, the circumferential wall of the ring groove 112 is provided with an arc groove 113, the positioning member 50 includes a sliding sleeve 51 sleeved on the sheath 20, and a rubber ring 52 disposed at the bottom end of the sliding sleeve 51, in the fixed state, the rubber ring 52 is embedded into the arc groove 113, and the rubber ring 52 forms a tight fit with the outer circumferential wall of the sheath 20 under the extrusion of the arc groove 113.

The sliding sleeve 51 and the sheath 20 are in clearance fit, the inner diameter of the rubber ring 52 is slightly larger than the outer diameter of the sheath 20, so that the sliding sleeve 51 and the sheath 20 can slide on the sheath 20 smoothly in a floating state, the sliding sleeve 51 presses the rubber ring 52 downwards to enable the rubber ring 52 to be embedded into the arc-shaped groove 113 after the sheath 20 is penetrated in place, so that axial positioning is formed between the rubber ring 52 and the guide hole 111, meanwhile, the rubber ring 52 is contracted and hooped on the sheath 20 due to the extrusion action of the arc-shaped groove 113 on the rubber ring 52, free sliding of the sheath 20 is avoided, the rubber ring 52 is driven to be separated from the arc-shaped groove 113 only by pulling up the sliding sleeve 51 after liquid extraction is completed, the fixing state is stable, and the operation is simple and convenient.

It should be noted that, in order to facilitate the shaking of the sheath 20 and avoid excessive deformation of the abdominal skin at the puncture site caused by the shaking of the sheath 20, in this embodiment, referring to fig. 1, the adhesive tape 10 is provided with a frangible groove 12 at the periphery of the guide block 11. The puncture position of the abdominal cavity is supported in a fitting way through the area surrounded by the easy-to-fold groove 12, so that the excessive deformation of the puncture position is avoided, the pulling and expanding acting force of the sheath 20 to the puncture hole caused by shaking is reduced, and the pain of the patient in puncture is further relieved.

Of course, it should be understood that the guide block 11 is encapsulated within the surrounding area of the frangible groove 12 to support the skin of the abdominal cavity, and the area of the adhesive tape 10 located at the periphery of the frangible groove 12 is a simple plastic or rubber sheet, so that the adhesive tape can be attached along with the skin of the abdominal cavity, and the adhesive firmness of the adhesive tape 10 on the skin of the abdominal cavity can be ensured.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. Puncture drainage device for children's celiac examination, its characterized in that includes:

the adhesive plaster is used for being adhered to the skin of the abdominal cavity, the center of the adhesive plaster is sealed with a guide block, the center of the guide block is provided with a guide hole penetrating up and down, and the guide hole is used for aligning with the position to be punctured of the abdominal cavity;

the sheath tube is arranged in the guide hole in a sliding way up and down, and the top end of the sheath tube is provided with a first inserting port;

the puncture needle is arranged in the sheath in a sliding way, the top end of the puncture needle is provided with an adapter, the bottom end of the adapter can be in plug fit with the first plug interface, when the adapter is plugged with the first plug interface, the needle head of the puncture needle can downwards extend out of the bottom end of the sheath, the top end of the adapter is provided with a second plug interface, and the second plug interface and the first plug interface are the same in size;

the aspirator, the output is equipped with the bayonet joint, the bayonet joint can with any grafting cooperation in order to aspirate abdominal cavity liquid of first bayonet joint and second bayonet joint.

2. The puncture and drainage device for children abdominal cavity examination as set forth in claim 1, wherein the bottom end of the sheath tube is provided with a flexible tube section; when the puncture needle penetrates into the sheath tube, the flexible tube section is hooped on the outer peripheral wall of the puncture needle, and when the puncture needle is pulled out of the sheath tube, the inner hole of the flexible tube section is in a free-expanding state.

3. The puncture and drainage device for the abdominal cavity examination of children according to claim 2, wherein a plurality of elastic supporting rings are arranged in the flexible pipe section at intervals along the axial direction of the flexible pipe section, each elastic supporting ring expands along with the expansion of the flexible pipe section when the puncture needle penetrates into the sheath, and each elastic supporting ring freely contracts and supports the flexible pipe section in the freely expanded state when the puncture needle withdraws from the sheath.

4. The puncture and drainage device for children abdominal cavity examination according to claim 3, wherein the elastic support ring is a split ring, two ends of a ring opening of the split ring are abutted in a free state, one end of the ring opening of the elastic support ring is provided with an arc-shaped guide rod, and the other end of the ring opening of the elastic support ring is provided with an arc-shaped sliding hole which is suitable for the arc-shaped guide rod to extend in.

5. The children's laparoscopic puncturing and aspiration device of claim 1, wherein the needle head of the puncturing needle is pointed cone, and the cone tip of the needle head is curved toward the center of the inner bore of the puncturing needle.

6. The children's laparoscopic puncturing and extracting device as claimed in claim 1, wherein a positioning member is arranged between the guide block and the sheath, and the positioning member is used for fixing the axial position of the guide block on the sheath.

7. The puncture and drainage device for children abdominal cavity examination according to claim 6, wherein the top end of the hole wall of the guide hole is provided with a ring groove, the positioning piece is sleeved on the sheath in a sliding way, and the positioning piece is in a fixed state of being embedded in the ring groove and also in a floating state of being separated from the ring groove; and in the fixed state, the positioning piece is in tight fit with the groove wall of the annular groove and the peripheral wall of the sheath tube.

8. The puncture and drainage device for children abdominal cavity examination according to claim 7, wherein the circumferential wall of the ring groove is provided with an arc-shaped groove, the positioning piece comprises a sliding sleeve sleeved on the sheath tube in a ring mode, and a rubber ring arranged at the bottom end of the sliding sleeve, in the fixed state, the rubber ring is embedded into the arc-shaped groove, and the rubber ring is tightly matched with the outer circumferential wall of the sheath tube under the extrusion of the arc-shaped groove.

9. The puncture and drainage device for children abdominal cavity examination as set forth in claim 1, wherein the glue is provided with a frangible groove on the periphery of the guide block.

10. The children's laparoscopic puncture and aspiration device of any one of claims 1 to 9, wherein said aspirator comprises an aspirator body and said hub; the plug is fixedly connected to the output end of the aspirator body or connected to the output end of the aspirator body through a hose.