CN217244507U

CN217244507U - Ascites sampler

Info

Publication number: CN217244507U
Application number: CN202220821447.5U
Authority: CN
Inventors: 罗文姬
Original assignee: Peking University Shenzhen Hospital
Current assignee: Peking University Shenzhen Hospital
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-08-23
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses an ascites sampler, which comprises an injector and a drainage tube, wherein the drainage tube is connected with a nipple of the injector through a soft sleeve, the outer surface of the soft sleeve is also sleeved with a fixed lock catch for fixing the soft sleeve, the fixed lock catch comprises an inner ring, an outer ring and a telescopic rod, the inner ring is sleeved on the outer surface of the soft sleeve, the outer ring is rotatably connected with the inner ring, the inner ring is also provided with a through hole for extending the telescopic rod, the telescopic rod is arranged in the through hole, the telescopic rod can do telescopic motion in the through hole, the surface of the outer ring is also provided with a first notch corresponding to the through hole, one end of the telescopic rod is arranged in the first notch, when the outer ring is rotated, the telescopic rod is arranged in the first notch, and is abutted against the surface of the outer ring, the other end of the telescopic rod extends out of the through hole, and presses the soft sleeve to fixedly connect the soft sleeve with the nipple, the injector does not need to carry out secondary processing, the drainage tube and the common injector can be fixedly connected together, and the universal property is strong.

Description

Ascites sampler

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an ascites sampler.

Background

Ascites refers to the excessive accumulation of free fluid in the abdominal cavity, about 50ml in the abdominal cavity under normal conditions, which lubricates the intestinal tract, and the fluid volume in the abdominal cavity increased by more than 200ml under any pathological conditions, which is called ascites, which is a clinical manifestation of many diseases and causes a lot of ascites, so that the ascites needs to be extracted for examination. In the existing ascites sampling, the ascites sampler has various material taking forms and tools due to different material taking opportunities and different ascites volumes, surgeons mostly use treatment cups or syringes to take materials directly in the laparotomy, and the surgeons directly take materials through an aspirator in the laparotomy, so that the experimental specimens are not standard in material taking; the physician obtains the drainage of the puncture device through the abdominal cavity puncture package. At present, no tool suitable for clinical ascites sampling of surgeons is available, and the combination of an injector and a drainage tube is used in clinical work, but liquid leakage exists in the sampling process, the link is not tight, the link is not matched, and experimental ascites specimens for experiments influence experimental data. In order to connect the syringe and the drainage tube tightly, a connector is usually provided to connect the drainage tube with the syringe, and in order to enable the connector to be tightly connected with the syringe, if corresponding threads are provided on the connector and the syringe, the connector can be tightly engaged with the syringe through the threads, but a special syringe matched with the connector needs to be produced again, so that the production cost of the ascites sampler is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an ascites sampler to need the special syringe of re-production and connecting piece adaptation in the current sampler production among the solution above-mentioned background art, greatly increased ascites sampler's manufacturing cost's problem.

In order to solve the above technical problems, the following technical problems are proposed:

an ascites sampler comprises a drainage tube and an injector, wherein the drainage tube is communicated with a nipple of the injector through a soft sleeve, an inner ring and an outer ring are sequentially stacked on the outer surface of the soft sleeve, the outer ring is rotatably connected with the inner ring, and the inner ring is also provided with an occlusion component for fixing the soft sleeve;

wherein, the interlock subassembly includes through-hole and telescopic link, the through-hole sets up the lateral wall of inner ring, the outer loop inner wall be equipped with the corresponding breach of through-hole, the one end of telescopic link is arranged in the through-hole, the other end of telescopic link stretches into in the breach, when rotating during the outer loop, the telescopic link stretches into the one end roll-off of breach the breach, and with the inner wall of inner ring supports and holds, the other end of telescopic link stretches out the through-hole, and with soft cover supports and holds.

Preferably, the engaging assembly further comprises a spring, the through hole is a stepped hole and comprises a small hole and a sinking groove, one end of the telescopic rod is arranged in the small hole, the other end of the telescopic rod is further provided with a fixing piece, the spring is sleeved on the outer surface of the telescopic rod, one end of the spring abuts against the fixing piece, and the other end of the spring abuts against the bottom of the sinking groove.

Preferably, a plurality of sets of the meshing assemblies are arranged on the inner ring, and the meshing assemblies are radially arranged by taking the axis of the inner ring as a center.

Preferably, the drainage tube with the one end fixed connection of soft cover, the nipple with the other end detachable connection of soft cover, the interlock subassembly sets up the inner ring is close to the one end of nipple.

Preferably, the nipple and the drainage tube are detachably arranged at two ends of the soft sleeve respectively, the two ends of the inner ring are provided with the occlusion assembly, and the inner walls at two ends of the outer ring are provided with a first notch and a second notch corresponding to the occlusion assembly respectively.

Preferably, the outer ring comprises a first outer ring and a second outer ring, the first notch is arranged on the inner wall of the first outer ring, and the second notch is arranged on the inner wall of the second outer ring.

Preferably, a circular protrusion is arranged at one end, arranged in the gap, of the telescopic rod, the circular protrusion is arranged in the gap, and the inner surface of the gap is attached to the surface of the circular protrusion.

Preferably, the soft sleeve is made of a silica gel material.

Preferably, the outer side wall of the outer ring is provided with anti-skid lines for skid resistance.

Preferably, the drainage tube is a hard tube, and a soft head is arranged at one end of the drainage tube, which is far away from and connected with the nipple.

Has the advantages that: the utility model discloses an ascites sampler, which comprises an injector and a drainage tube, wherein the drainage tube is connected with a nipple of the injector through a soft sleeve, the outer surface of the soft sleeve is also sleeved with a fixed lock catch for fixing the soft sleeve, the fixed lock catch comprises an inner ring, an outer ring and a telescopic rod, the inner ring is sleeved on the outer surface of the soft sleeve, the outer ring is rotatably connected with the inner ring, the inner ring is also provided with a through hole for extending the telescopic rod, the telescopic rod is arranged in the through hole, the telescopic rod can do telescopic motion in the through hole, the surface of the outer ring is also provided with a first notch corresponding to the through hole, one end of the telescopic rod is arranged in the first notch, when the outer ring is rotated, the telescopic rod is arranged in the first notch, and is abutted against the surface of the outer ring, the other end of the telescopic rod extends out of the through hole, and presses the soft sleeve to fixedly connect the soft sleeve with the nipple, the injector does not need to carry out secondary processing, the drainage tube and the common injector can be fixedly connected together, and the universal property is strong.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion of the utility model in a loosened state of the portion B in FIG. 3;

fig. 5 is a partially enlarged view of the portion B of fig. 3 according to the present invention in the occluded state.

The main component symbols are as follows:

1. an injector; 11. a nipple; 2. drainage tube

3. Fixing the lock catch; 31. an inner ring; 32. an outer ring; 321. a first outer ring; 322. a second outer ring; 33. a second notch; 34. a first notch; 35. a telescopic rod; 36. a through hole; 37. a spring; 38. a fixing member; 39. a circular protrusion;

4. and (6) soft sleeving.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

The following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model relates to an ascites sampler, please refer to fig. 1-5, comprising an injector 1 and a drainage tube 2 detachably connected with a nipple 11 of the injector 1, the drainage tube 2 and the nipple 11 are detachably connected through a soft sleeve 4, one end of the soft sleeve 4 is connected with one end of the drainage tube 2 connected with the nipple 11, the other end of the soft sleeve 4 is sleeved on the outer surface of the nipple 11, the outer surface of the soft sleeve 4 is further provided with a fixed lock catch 3, the fixed lock catch 3 comprises an inner ring 31, an outer ring 32 and an occlusion component, the inner ring 31 is sleeved on the outer surface of the soft sleeve 4, the outer ring 32 is rotatably connected with the inner ring 31, the occlusion component comprises a telescopic rod 35 and a gap, the inner ring 31 is further provided with a through hole 36 for extending the telescopic rod 35, the telescopic rod 35 is arranged in the through hole 36, and the telescopic rod 35 can do telescopic motion in the through hole 36, the surface of the outer ring 32 is further provided with a gap corresponding to the through hole 36, one end of the telescopic rod 35 is arranged in the first gap 33, when the outer ring 32 is rotated, one end of the telescopic rod 35 arranged in the first gap 33 slides out of the first gap 33 and is abutted against the surface of the outer ring 32, the other end of the telescopic rod 35 extends out of the through hole 36, and the soft sleeve 4 is pressed, the fixed lock catch 3 has two using states in the using process, one is that the fixed lock catch 3 is in a loose state when the soft sleeve 4 is installed with the injector 1, and the other is that the fixed lock catch 3 is in an occluded state after the soft sleeve 4 is installed with the injector 1, when the fixed lock catch 3 is in a release state, the outer ring 32 is rotated to enable the first notch 33 arranged on the outer ring 32 and the through hole 36 arranged on the inner ring 31 to be in opposite positions, at the moment, one end of the telescopic rod 35 far away from the soft sleeve 4 extends into the first notch 33, and the other end of the telescopic rod 35 contracts in a direction far away from the soft sleeve 4, so that the telescopic rod 35 and the soft sleeve 4 cannot be pressed; and when fixed hasp 3 is in the interlock state, rotatory outer ring 32, the first breach 33 of one end roll-off of soft cover 4 is kept away from to telescopic link 35, and simultaneously, the other end of telescopic link 35 stretches out through-hole 36 and takes place to press with soft cover 4, and then make the connection between soft cover 4 and nipple 11 more firm, simultaneously through using soft cover 4 to connect drainage tube 2 and syringe 1, and use fixed hasp 3 to fix the soft dactylotheca on nipple 11 of syringe 1, need not carry out secondary operation to syringe 1 like this, just can be in the same place drainage tube 2 and ordinary syringe 1 fixed connection.

In this embodiment, the fixing latch 3 further includes a spring 37, the through hole 36 is set as a stepped hole, the through hole 36 includes a small hole and a sinking groove, one end of the telescopic rod 35 passes through the small hole, the other end of the telescopic rod 35 is further provided with a fixing member 38, the spring 37 is sleeved on the outer surface of the telescopic rod 35, one end of the spring 37 abuts against the fixing member 38, the other end of the spring 37 abuts against the bottom of the sinking groove, preferably, the spring 37 sleeved on the outer surface of the telescopic rod 35 is the spring 37 in a compression state, when the fixing latch 3 is changed from an occlusion state to a release state, the outer ring 32 is rotated to enable the notch and the through hole 36 to be in relative positions, at this time, the elastic force of the spring 37 pushes the fixing member 38 to move towards the notch direction, so that one end of the telescopic rod 35, which is far away from the soft sleeve 4, is placed in the notch, and the other end of the telescopic rod 35 is retracted into the through hole 36.

In this embodiment, be equipped with the multiunit interlock subassembly on the inner ring 31, and the axis that the interlock subassembly used the inner ring is radially arranged as the center, and the interlock subassembly is in on the same cross section of inner ring 31 simultaneously, through setting up the multiunit interlock subassembly, when fixed hasp 3 is in the interlock state, soft cover 4 is pressed simultaneously to multiunit telescopic link 35 for soft cover 4 to can be more firm cup joint on the nipple 11 of syringe 1.

In this embodiment, the one end that the breach was arranged in to telescopic link 35 is equipped with circular protrusion 39, and circular protrusion 39 is arranged in the breach, and the internal surface of breach and the laminating of circular protrusion 39's surface for fixed hasp 3 is from the in-process of unclamping state to interlock state conversion, and the roll-off breach 33 that the one end that telescopic link 35 was located the breach 33 can be relaxed more during rotatory outer ring 32.

In this embodiment, drainage tube 11 and the one end fixed connection of soft cover 2, nipple 11 can be dismantled with the other end of soft cover 4 and be connected, and the interlock subassembly sets up the one end that is close to nipple 11 at the inner ring, in the use, inserts nipple 11 in soft dactylotheca 4, and rotatory outer ring 32 makes the telescopic link stretch out the through-hole, takes place to press with soft dactylotheca to make soft cover closely laminate with the nipple surface.

In this embodiment, nipple 11 and drainage tube 2 can dismantle the both ends that set up at soft cover respectively, the both ends of inner ring all are equipped with the interlock subassembly, be equipped with first breach and the second breach corresponding with the interlock subassembly on the inner wall at outer loop both ends respectively, in the use, insert the one end of soft cover 4 with drainage tube 2, insert the nipple 11 of syringe 1 the other end of soft cover 4, then through the both ends of the interlock subassembly difference interlock hose that sets up the inner ring both ends on the fixed hasp 3 again, can fastening connection be in the same place between messenger's hose and drainage tube 2 and the nipple 11.

In this embodiment, the outer ring 32 includes a first outer ring 321 and a second outer ring 322, the first outer ring 321 and the second outer ring 322 are sleeved on the surface of the inner ring 31, the first outer ring 321, the second outer ring 322 and the inner ring 31 are rotatably connected, the first gap 33 is disposed inside the first outer ring 321, the second gap 33 is disposed inside the second outer ring 322, and the corresponding engagement assembly is separately controlled by rotating the first outer ring 321 or the second outer ring 322, so that the steps of installing the drainage tube and the syringe are greatly simplified.

In this embodiment, soft cover 4 is made for the silica gel material, and the silica gel material has fine elasticity for soft dactylotheca 4 can be better the parcel nipple 11 of syringe 1, and soft cover 4 that the silica gel material was made has very strong damping simultaneously, makes soft cover 4 be difficult to drop from the nipple 11 of syringe 1.

In this embodiment, the outer side wall of the outer ring 32 is provided with anti-slip lines for preventing slip.

In this embodiment, the drainage tube 2 is a rigid tube, and more preferably, a soft head is provided at the end of the drainage tube 2 far away from the nipple 11.

The advantages are that:

1. the utility model discloses a soft cover links together the nipple of drainage tube and syringe with fixed hasp, need not to reform transform the structure of syringe, has the universality.

2. The utility model discloses set up the telescopic link that can stretch out and draw back in fixed hasp, the cover that makes soft cover can stabilize establishes the nipple of syringe and the exterior wall of drainage tube, greatly increased soft cover and the nipple of syringe and the leakproofness and the steadiness between the drainage tube.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An ascites sampler comprises a drainage tube and an injector, and is characterized in that the drainage tube is communicated with a nipple of the injector through a soft sleeve, an inner ring and an outer ring are sequentially stacked on the outer surface of the soft sleeve, the outer ring is rotatably connected with the inner ring, and the inner ring is also provided with an occlusion component for fixing the soft sleeve;

2. The ascites sampler according to claim 1, wherein the engaging member further comprises a spring, the through hole is a stepped hole, the through hole comprises a small hole and a sinking groove, one end of the telescopic rod is disposed in the small hole, the other end of the telescopic rod is further provided with a fixing member, the spring is sleeved on the outer surface of the telescopic rod, one end of the spring abuts against the fixing member, and the other end of the spring abuts against the bottom of the sinking groove.

3. The ascites sampler of claim 1, wherein the inner ring is provided with a plurality of sets of the engagement members, and the engagement members are radially arranged around an axis of the inner ring.

4. An ascites sampler according to claim 1, wherein the drainage tube is fixedly connected to one end of the soft sleeve, the nipple is detachably connected to the other end of the soft sleeve, and the bite block is provided at one end of the inner ring close to the nipple.

5. An ascites sampler according to claim 1, wherein the nipple and the drainage tube are detachably provided at both ends of the soft cover, respectively, both ends of the inner ring are provided with the occlusion member, and inner walls at both ends of the outer ring are provided with a first notch and a second notch corresponding to the occlusion member, respectively.

6. An ascites sampler according to claim 5, wherein the outer ring comprises a first outer ring and a second outer ring, the first notch being provided in the inner wall of the first outer ring and the second notch being provided in the inner wall of the second outer ring.

7. The ascites sampler according to claim 1, wherein the end of the telescopic rod placed in the notch is provided with a circular protrusion, the circular protrusion is placed in the notch, and the inner surface of the notch is attached to the surface of the circular protrusion.

8. An ascites sampler according to claim 1, characterised in that the soft cover is made of a silica gel material.

9. An ascites sampler according to claim 1, wherein the outer side wall of the outer ring is provided with non-slip lines for preventing slipping.

10. An ascites sampler according to claim 1, characterised in that the drain is a stiff tube, the drain being provided with a soft head at the end remote from the nipple.